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CVE-2026-27512

MEDIUM CVSS 4.0: 5.1 EPSS 0.04%
Updated Feb 23, 2026
Tenda
Parameter Value
CVSS 5.1 (MEDIUM)
Affected Versions before 12.01.01.55_multi
Type CWE-116 (Improper Encoding or Escaping of Output), CWE-79 (Cross-Site Scripting (XSS))
Vendor Tenda
Public PoC No

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a content-type confusion vulnerability in the administrative interface. Responses omit the X-Content-Type-Options: nosniff header and include attacker-influenced content that can be reflected into the response body. Under affected browser behaviors, MIME sniffing may cause the response to be interpreted as active HTML, enabling script execution in the context of the administrative interface.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Tenda F3_Firmware
cpe:2.3:o:tenda:f3_firmware:*:*:*:*:*:*:*:*
<= 12.01.01.55_multi
Tenda F3
cpe:2.3:h:tenda:f3:-:*:*:*:*:*:*:*